![Image](http://i1223.photobucket.com/albums/dd514/david_lane1/20150330_140503_zps3mnf9i0r.jpg)
Got a Ridig 42" light bar for Xmas last year and knocked up a set of blind mounting brackets, using a well nut it keeps the roof channel water tight, surprised i get no vibration and its fer enough of the roof that i dont get any glare off the windscreen.
seem to work well.